Clean Water Act discharge permit · NPDES SC0040878
GSW&SA LONGS WWTP, Longs, SC: NPDES SC0040878 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 19Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
GSW&SA LONGS WWTP, held by GRAND STRAND WATER & SEWER AUTHORITY, holds NPDES permit SC0040878. EPA’s file records it issued July 16, 2018 and expiring July 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GSW&SA LONGS WWTP |
|---|---|
| Permittee as filed | GRAND STRAND WATER & SEWER AUTHORITY |
| NPDES ID | SC0040878 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 16, 2018 |
| Expiration date | July 31, 2023 |
| Issuing agency | State |
| Address | Longs, SC 29568 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cold Water Branch-Waccamaw River (HUC 030402060706) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 19Under a numeric limit
- 19With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli | 4 | 6 | 2 | May 31, 2025 | 593% over the limit |
| Solids, suspended percent removal | 1 | 5 | 1 | January 31, 2022 | 40% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 92 | 0 | ||
| Nitrogen, total [as N] | 4 | 28 | 0 | ||
| Copper, total [as Cu] | 4 | 14 | 0 | ||
| Phosphorus, total [as P] | 4 | 12 | 0 | ||
| Cadmium, total [as Cd] | 4 | 12 | 0 | ||
| Lead, total [as Pb] | 4 | 12 | 0 | ||
| Zinc, total [as Zn] | 4 | 12 | 0 | ||
| Solids, total suspended | 4 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 8 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 8 | 0 | ||
| Chlorine, total residual | 4 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Carbonaceous oxygen demand, % removal | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Oxygen demand, ultimate | 2 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Mercury, total [as Hg] | 4 | 0 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 29, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 26, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SC0040878 there.
Nearby on the register
- Discharge permits in Longs
- Every permit record in Longs, A to Z
- Discharge permits in South Carolina
- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.